AI Article Synopsis
- Cytoplasmic mRNA plays a crucial role in gene expression through processes like translation, repression, localization, and degradation.
- The regulation of translation is key, as mRNA can be stored in a non-translating state with the help of translation repression factors, and the transition between these states is influenced by specific trans factors.
- The review highlights the role of RNA helicases in modulating RNA and RNA-protein complexes, focusing on their involvement in mRNA regulation through repression and storage mechanisms.
Article Abstract
Cytoplasmic mRNA can be translated, translationally repressed, localized or degraded. Regulation of translation is an important step in control of gene expression and the cell can change whether and to what extent an mRNA is translated. If an mRNA is not translating, it will associate with translation repression factors; the mRNA can be stored in these non-translating states. The movement of mRNA into storage and back to translation is dictated by the recognition of the mRNA by trans factors. So, remodeling the factors that bind mRNA is critical for changing the fate of mRNA. RNA helicases, which have the ability to remodel RNA or RNA-protein complexes, are excellent candidates for facilitating such rearrangements. This review will focus on the RNA helicases implicated in translation repression and/or mRNA storage and how their study has illuminated mechanisms of mRNA regulation. This article is part of a Special Issue entitled: The Biology of RNA helicases - Modulation for life.
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| http://dx.doi.org/10.1016/j.bbagrm.2013.03.008 | DOI Listing |
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